49490721

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{18269}}^1$

素因数の和:18325

約数の個数: 24

約数和(自身を含む): 83603520

約数和(自身を除く): 34112799

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 18269, 54807, 127883, 164421, 383649, 785567, 1150947, 2356701, 5498969, 7070103, 16496907, 49490721]

約数ペア:

[(1, 49490721), (3, 16496907), (7, 7070103), (9, 5498969), (21, 2356701), (43, 1150947), (63, 785567), (129, 383649), (301, 164421), (387, 127883), (903, 54807), (2709, 18269)]